Which great god knew about the division of the demon king realm?

I'm not sure which novel's character you're referring to and what realm they're in. If you can provide more information, I will try my best to answer your questions.

The division of the demonic cultivation realm in "Demon Seeking" was more complicated. It could be divided into many categories according to different paths and levels. Among them, demonic beasts included spirit beasts, fierce beasts, desolate beasts, primeval beasts, and primeval beasts. Each level was divided into three grades. Laws were the most important power system in Demon Pursuit. It included eight stages: Qi Condensation, Foundation Establishment, Core Formation, Nascent Soul, Soul Separation, Body Integration, Tribulation Transcendence, and True Immortal. Each stage was divided into three small levels: initial, intermediate, and advanced. Other than that, there were also two special realms, the Pseudo Nomological Realm and the Arcane Void Realm. The cultivation of the Heavenly Dao focused on comprehending the Dao of Heaven and Earth. It included three stages: perception, comprehension, and control. Each stage was further divided into nine sub-levels. Other than that, there were also Life Matrix, Life Scarce, Life Palace, Life World, Lunar Kalpa Realm, Solar Kalpa Realm, Wordless Realm, Boundless Realm, and so on. In short, the division of demonic cultivation realms in Demon Pursuit was very complicated. Players needed to constantly break through realms to increase their strength.

The realms in the Record of God-herding were divided into Spirit Embryo, Five Elements, Six Directions, Seven Stars, Celestial Being, Life and Death, Divine Bridge, Honored God, True God, Jade Pool, God Execution Stage, Jade Capital, Numinous Sky, Emperor's Throne, and Heavenly Court. There were seven great treasuries in the human body, including the Spirit Embryo, Five Elements, Six Directions, Seven Stars, Celestial Being, Life and Death, and Divine Bridge. These treasuries needed to be opened by the martial artist himself, and the process of breaking open the treasuries was called breaking the wall. Other than that, there were also the seven realms of the Heavenly Palace, including the outside of the Southern Heavenly Gate (Honored God), passing through the Southern Heavenly Gate (True God), Jade Pool, Jade Stage (Heavenly God), God Execution Stage, Jade Capital, Numinous Sky, and Emperor's Throne. However, the specific information about Heavenly Court was not clear. Generally speaking, the division of realms in the Record of Herding God was a process of cultivation. Through breaking the wall and improving the realm, one could reach different levels and powers.

The realms of the Primordial Emperor were divided into the following levels: Body Refining Realm, Arterial Circulation Realm, Primordial Sea Realm, Soul Fusion Realm, Divine Palace Realm, Four Extreme Realm, Immortal Foundation Realm, Dragon Realm, and Immortal Emperor Realm. Every realm had its own special abilities and symbols. The specific and detailed division could be obtained by referring to the original work of the Myriad Ancient Godly Emperor.

The realms in the novel 'The Great Dominator' were divided as follows: 1. Spiritual Apprentice: The first step into the Spiritual World is weak and can only carry out simple operations and battles. 2. Spiritual Apprentice Realm: Spiritual Apprentices can gradually increase their strength and perform some basic operations and battles, but their defense is weak. 3. Heavenly Spirit Realm: The upper limit of the Spiritual Apprentice Realm is that the strength is strong and can carry out high-level operations and battles, but the attack power is weak. 4. Heavenly Spirit Realm: The strength of the Heavenly Spirit Realm gradually increases, and it can carry out more complicated operations and battles, but its defense is still weak. 5. Profound Heavens Realm: The upper limit of the Heavenly Spirit Realm is extremely strong. It can carry out high-level battles and operations, but its attack power is still weak. 6. Profound Heavens Realm: The Profound Heavens Realm is extremely powerful and can carry out advanced operations and battles, but its defense is still weak. 7. Mysterious Underworld Realm: When the upper limit of the Mysterious Sky Realm is reached, it can contend with the power of the universe, but its attack power is still weak. 8. Xuanming Realm: When the strength of the Xuanming Realm reaches its limit, it can contend with the power of the universe. Its attack power is extremely strong, but its defense is still weak. 9. Ruler Realm: The upper limit of the Profound Underworld Realm is extremely powerful. It can control all things in the world, but it needs to rely on the spiritual energy of heaven and earth to maintain it. Ruler Realm: The Ruler Realm is extremely powerful and can control all things in the world. Its attack and defense are very strong, but it needs to rely on the spiritual energy of the world to maintain it.

The Supreme Killing God Realm was divided into Battle Spirit, Warrior, Battle Master, Battle Venerable, Battle Ancestor, Battle King, Battle Emperor, Battle Emperor, Battle Sage, Battle God, Heavenly God, Ancient God, Godly King, Great Emperor, Saint Emperor, Sacred Venerable, Origin Venerable, Dharma Venerable, Heavenly Venerable, Divine Ancestor, Supreme Divine Ancestor, Heaven-defying Divine Ancestor, Ancestral King, Ordinary Ancestral King, True King, Heavenly King, Immortal King, Red Dust Immortal King, Allheaven Immortal King, Primordial Chaos Immortal King, Immortal, Ordinary Immortal, Protagonist, and Thirty-level Immortal Realm.

The nine domains of the Divine Emperor Realm were divided into the following realms from low to high: Initial Glimpse, Advanced, Peak Perfection, Furnace Fire, Transcendence, Immortal Soul Second Level, Immortal Soul Third Level, Heaven Man Unity, and Dao Law Nature.

The realms of the Heaven-Defying Evil Gods were divided into nine realms of Mortal Body and seven realms of Spirit Xuan. The nine realms of the mortal body were the Initial Mystic, the Entering Mystic, the True Mystic, the Spirit Mystic, the Earth Mystic, the Sky Mystic, the King Mystic, the Tyrant Mystic, and the Jun Mystic. The seven levels of Spirit Xuan included Divine Essence, Divine Soul, Divine Tribulation, Divine Spirit, Divine King, Divine Lord, and Divine Lord. Other than that, there were three other continents: the Tian Xuan Land, the Fantasy Demon Realm, the Azure Cloud Continent, and the 40,000 heavenly realms. They were divided into 30,000 Lower Astral Realms, 8,000 Middle Astral Realms, 2,000 Upper Astral Realms, and the 17 Royal Realms that ruled the entire Divine Realm. The realm division also involved the four great realms of the Great Eastern Area, the Fan Emperor Realm, the Eternity Realm, the Moon God Realm, the Star God Realm, and the other heavenly realms such as the Dragon God Realm, the Heavenly Fate Realm, the Divine Martial Realm, and the Agate Realm.  In short, the realm of the heaven-defying evil gods was very diverse.

The supreme Divine Masters were divided into Body Tempering, Qi Refinement, Spiritual Martial Force, True Spirit, True Kang, True Mystic, Martial King, Martial Emperor, Martial Emperor, Martial Supreme, Martial Saint, Void God, Demigod, True God, Divine King, Supreme Mirror, Creation Realm, and Dao Realm.

The Supreme Deity Position was a common setting in novels. It was usually a powerful Deity Position with unlimited power and abilities. The division of the Supreme Deity Position varies from novel to novel, but it usually includes the following stages: 1-Sovereign Celestial: It was the lowest and most basic level of the Sovereign Deity Position. It represented the initial stage of the power and ability of the Supreme God. 2. The Supreme Divine Position: It is the highest level of the Supreme Divine Position. It has the power and ability to surpass ordinary people and can easily destroy everything. 3. Supreme Deity Position: The highest level of Supreme Deity Position represents unlimited power and ability to easily change everything. 4. The Supreme Ruler Position: It is the most powerful level among the Supreme Gods. It has the power and ability to control everything. It can easily control the power of the universe. 5. The Supreme God Seat: It is the peak level of the Supreme God Seat. It has the power and ability to surpass the universe and can easily change the fate of the universe. In novels, the female protagonist usually appeared at the level of the Supreme Deity, representing the strength and ability of the female protagonist. Different novels may have different female protagonists, but they usually have unique charm and abilities that can help the protagonist grow and improve her strength.